Ray Optics

The radius of curvature of a convave mirror is 24 cm and the imager is magnified

The radius of curvature of a concave mirror is 24 cm and the imager is magnified by 1.5 times. The…

The focal length of the objective of a terrestrial telescope is 80 cm

The focal length of the objective of a terrestrial telescope is 80 cm and it is adjusted for parallel rays,…

An object is placed at a distance of 10 cm from a co-axial combination of two lenses

An object is placed at a distance of 10 cm from a co-axial combination of two lenses A and B…

A short linear object of length L lies on the axis of a spherical mirror of focal

A short linear object of length L lies on the axis of a spherical mirror of focal length f at…

In a compound microscope, the focal length of the objective is 2.5 cm and of eye lens

In a compound microscope, the focal length of the objective is 2.5 cm and of eye lens is 5 cm.…

If the image formed by a convex mirror of focal length 30 cm is a quarter of the size

If the image formed by a convex mirror of focal length 30 cm is a quarter of the size of…

A concave mirror of focal length f₁ is placed at a distance d from a convex lens

A concave mirror of focal length f₁ is placed at a distance d from a convex lens of focal length…

A ray of light is incident at an angle of incidence i, on one face of a prism

A ray of light is incident at an angle of incidence i, on one face of a prism of angle…

The diameter of the eye ball of a normal eye is about 2.5 cm. The power of the eye

The diameter of the eye ball of a normal eye is about 2.5 cm. The power of the eye lens…

For having large magnification power of a compound microscope

For having large magnification power of a compound microscope Options (a) length of the microscope tube must be small (b)…